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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.14"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>Ruby: missing/cbrt.c Source File</title> <link href="../../tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="../../jquery.js"></script> <script type="text/javascript" src="../../dynsections.js"></script> <link href="../../doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">Ruby  <span id="projectnumber">1.9.3p551(2014-11-13revision48407)</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.14 --> <script type="text/javascript" src="../../menudata.js"></script> <script type="text/javascript" src="../../menu.js"></script> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(function() { initMenu('../../',false,false,'search.php','Search'); }); /* @license-end */</script> <div id="main-nav"></div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="../../dir_f3bfeebb553c3f6ecfb19202628b4493.html">missing</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">cbrt.c</div> </div> </div><!--header--> <div class="contents"> <a href="../../df/df9/cbrt_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#include "<a class="code" href="../../d3/d90/missing_8h.html">ruby/missing.h</a>"</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#include <math.h></span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> </div><div class="line"><a name="l00004"></a><span class="lineno"><a class="line" href="../../df/df9/cbrt_8c.html#a8af00e2203928978e0242b4afd1d899f"> 4</a></span> <span class="keywordtype">double</span> <a class="code" href="../../df/df9/cbrt_8c.html#a8af00e2203928978e0242b4afd1d899f">cbrt</a>(<span class="keywordtype">double</span> x)</div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> {</div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>  <span class="keywordflow">if</span> (x < 0)</div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>  <span class="keywordflow">return</span> -pow(-x, 1/3.0);</div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>  <span class="keywordflow">return</span> pow(x, 1/3.0);</div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> }</div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div><div class="ttc" id="cbrt_8c_html_a8af00e2203928978e0242b4afd1d899f"><div class="ttname"><a href="../../df/df9/cbrt_8c.html#a8af00e2203928978e0242b4afd1d899f">cbrt</a></div><div class="ttdeci">double cbrt(double x)</div><div class="ttdef"><b>Definition:</b> <a href="../../df/df9/cbrt_8c_source.html#l00004">cbrt.c:4</a></div></div> <div class="ttc" id="missing_8h_html"><div class="ttname"><a href="../../d3/d90/missing_8h.html">missing.h</a></div></div> </div><!-- fragment --></div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="../../doxygen.png" alt="doxygen"/> </a> 1.8.14 </small></address> </body> </html>
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